This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

Globular clusters are often described as ancient, tightly bound fossils of the early Milky Way. It has been believed that ...

Jupiter steals the spotlight in January as it reaches its brightest and biggest appearance of the year. The month also ...

A group of about 1,000 stars are coming to Nevada skies this month. See the details on that and the other astronomical events ...

Using the Hubble Space Telescope, astronomers have made the first direct observation of star clusters colliding and merging at the hearts of dwarf galaxies. The discovery could help scientists settle ...

An international team of astronomers reported evidence for the formation of mysterious “super star clusters” Jan. 9 at the annual meeting of the American Astronomical Society in Washington, D.C. These ...

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

Researchers at the University of British Columbia and Dalhousie University have found a young galaxy cluster that appears far ...

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...

A trio of massive, young star clusters found embedded in a star cloud may shed light on the formation of super-star clusters and globular clusters. The discovery, made with images taken with the ...

The Cosmic Gems arc as observed by the JWST. Credit: ESA/Webb, NASA & CSA, L. Bradley (STScI), A. Adamo (Stockholm University) and the Cosmic Spring collaboration. The history of how stars and ...